WO2013016407A2 - Système de distribution d'oxygène - Google Patents

Système de distribution d'oxygène Download PDF

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Publication number
WO2013016407A2
WO2013016407A2 PCT/US2012/048106 US2012048106W WO2013016407A2 WO 2013016407 A2 WO2013016407 A2 WO 2013016407A2 US 2012048106 W US2012048106 W US 2012048106W WO 2013016407 A2 WO2013016407 A2 WO 2013016407A2
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WO
WIPO (PCT)
Prior art keywords
oxygen
fluid
housing
patient
supply source
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
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PCT/US2012/048106
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English (en)
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WO2013016407A3 (fr
Inventor
Denise EISEMAN
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Individual
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Individual
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Publication of WO2013016407A2 publication Critical patent/WO2013016407A2/fr
Anticipated expiration legal-status Critical
Publication of WO2013016407A3 publication Critical patent/WO2013016407A3/fr
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/06—Respiratory or anaesthetic masks
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/1005—Preparation of respiratory gases or vapours with O2 features or with parameter measurement
    • A61M16/101—Preparation of respiratory gases or vapours with O2 features or with parameter measurement using an oxygen concentrator
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2202/00—Special media to be introduced, removed or treated
    • A61M2202/02—Gases
    • A61M2202/0208—Oxygen
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2209/00—Ancillary equipment
    • A61M2209/08—Supports for equipment
    • A61M2209/082—Mounting brackets, arm supports for equipment
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2230/00—Measuring parameters of the user
    • A61M2230/005—Parameter used as control input for the apparatus
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2230/00—Measuring parameters of the user
    • A61M2230/04—Heartbeat characteristics, e.g. ECG, blood pressure modulation
    • A61M2230/06—Heartbeat rate only
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2230/00—Measuring parameters of the user
    • A61M2230/20—Blood composition characteristics
    • A61M2230/205—Blood composition characteristics partial oxygen pressure (P-O2)
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2230/00—Measuring parameters of the user
    • A61M2230/40—Respiratory characteristics

Definitions

  • the present disclosure relates to a fluid delivery apparatus, and more particularly to an oxygen delivery system.
  • Oxygen is then used by the body's cells, tissues, and organs to convert food into energy and heat. This energy is critical to life, and without oxygen, the body could not create the required heat or energy necessary to survive.
  • Oxygen is particularly critical for those who suffer lung, health, or heart problems. For example, patients who suffer from heart or lung problems cannot adequately pump enough oxygen-rich blood throughout their circulatory system to sustain a high quality of life. In these cases, supplemental oxygen is required to enjoy a higher quality of life, and in some instances survive.
  • Supplemental oxygen is an increased level of oxygen (above the normal levels of oxygen found naturally in the environment) that a body with health problems may require to operate as would a healthy body.
  • supplemental oxygen By breathing supplemental oxygen, a patient will increase the amount of oxygen content that passes throughout their body and as a result see an increase in body function, rehabilitation, and rejuvenation.
  • supplemental oxygen delivery systems require the use of invasive or uncomfortable apparatuses to administer oxygen to a patient.
  • low-flow oxygen is delivered to a patient by two primary (but different) apparatuses, namely, the Nasal Cannula and the Face Mask.
  • the Nasal Cannula attaches to a patient's face and head via a hollow flexible supply tube that runs from an air source to a manifold which rests under the patient's nose.
  • Two separate hollow tube extensions, or cannula enter the nasal cavity (usually perpendicular to the supply tube air flow), one tube per cavity, from the tube manifold and direct oxygen flow into the nose.
  • nasal cannula are uncomfortable to wear and are especially disruptive during sleep. Due to the sensitive nature of the nasal cavity, some wearers of nasal cannula experience nose bleeds and irritation. Moreover, the nasal cannula limits a patient's range of motion, and can even cause minor air constriction or strangulation during a sleep state or irregular movement. In addition, the nasal cannula cannot provide oxygen to a patient whose nasal cavity is blocked or one who tends to breathe through his or her mouth.
  • Face masks are usually attached to a patient by use of an elastically adjustable strap that wraps around the head of the patient wearing the device.
  • the face mask is a tent-like structure that provides an air chamber around the mouth and nasal area with a hollow supply tube extending to the air source.
  • the face mask's structure acts like a manifold that essentially provides a continuous flow of air around both the mouth and nose of the patient wearing the device.
  • the face mask may cover the entire face, the mouth and nasal area, or only the mouth or nasal area of a patient.
  • a face mask can cause skin irritation due to allergic reaction or prolonged use.
  • a face mask cannot be worn by those who suffer from burns or other facial injuries.
  • face masks must be removed to allow a patient the ability to talk or eat.
  • the face mask can induce a state of claustrophobia in some individuals.
  • the face mask may cause nausea due to the smell of the plastic.
  • Another problem with face masks is they cannot be easily adapted to treat non- human animals.
  • the present disclosure is directed to an oxygen delivery device that distributes oxygen-enriched air around a patient's head and face without requiring a physical connection to the patient.
  • the device receives an ample supply of oxygen from a standard oxygen supply source, or other oxygen supply means, via one or more fluid supply lines.
  • This fluid supply line can be flexible or otherwise operatively connected to an oxygen distribution area located adjacent to, on, or inside the device.
  • the oxygen distribution area may be configured as a manifold or plenum. Additionally or alternatively, the oxygen distribution area may be configured as one or more sections of tubing. Also attached to the oxygen distribution area are one or more nozzles that direct oxygen from the oxygen distribution area toward a patient who is situated on the exit side of the nozzle flow. As the oxygen exits the nozzles, it mixes with the air surrounding the patient to create an oxygen-enriched environment.
  • the device can operate as a simple system requiring little to no adjustment, or in an alternative embodiment, one that allows for the full adjustment of the flow and/or direction of the oxygen distributed by the system either manually, automatically, or both.
  • This control can be achieved through mechanical, analog, or digital mechanisms.
  • an oxygen distribution system which employs an oxygen delivery device that can be attached to a wall, bed, table, ceiling, or any other object in proximity to a patient.
  • the oxygen delivery device is connected to an object via an articulating arm and clamp system.
  • Other mechanical connecting members may, however, be used to connect the oxygen delivery device to at least one object proximate to the patient.
  • one or more oxygen, pulse, or similar sensors may be placed in proximity to or within the oxygen-enriched environment.
  • a fluid flow path may be created between the oxygen supply source and the patient.
  • the one or more sensors may be placed in the fluid flow path between the oxygen supply source and the patient. Readings from these sensors can be provided to an automated control mechanism that controls the rate at which oxygen is dispensed from the oxygen delivery device, the direction in which oxygen is dispensed, or any other characteristic of the fluid delivery to help control characteristics of the oxygen-enriched environment.
  • the sensors may comprise biometric sensors that are in communication with a patient.
  • these biometric sensors e.g., oxygen saturation rate, pulse measuring, breathing monitors, and the like
  • the biometric data obtained by the biometric sensors may be used to control aspects of the oxygen delivery system, including but not limited to alarms, fluid flow characteristics, oxygen concentration levels, and the like.
  • a control feedback loop may be created to facilitate better user control over the operation of the oxygen delivery system.
  • any type of known control electronics or components may be used without departing from the scope of the present disclosure.
  • each of the expressions “at least one of A, B and C”, “at least one of A, B, or C”, “one or more of A, B, and C", “one or more of A, B, or C" and "A, B, and/or C” means A alone, B alone, C alone, A and B together, A and C together, B and C together, or A, B and C together.
  • automated refers to any process or operation done without material human input when the process or operation is performed. However, a process or operation can be automatic, even though performance of the process or operation uses material or immaterial human input, if the input is received before performance of the process or operation. Human input is deemed to be material if such input influences how the process or operation will be performed. Human input that consents to the performance of the process or operation is not deemed to be "material.”
  • attachment refers to any method, technique, or process to secure one thing to another.
  • the attachment means may be removable, permanent, or semi-permanent.
  • Typical attachments may include securing by adhesive, magnetic attraction, interference fit, fastener connections, tongue-in-groove, dovetail, press-fit, welding, ultrasonic welding, and the like. Accordingly, the terms “join,” “connect,” “adhere,” “fix,” “affix,” “append,” “glue,” “screw,” and “fasten” can be used interchangeably herein.
  • Fig. 1 is an oxygen delivery system in an operating environment in accordance with embodiments of the present disclosure
  • Fig. 2 is a first perspective view of an oxygen delivery device in accordance with embodiments of the present disclosure
  • Fig. 3 is a second perspective view of an oxygen delivery device in accordance with embodiments of the present disclosure.
  • Fig. 4 is a first exploded perspective view of an oxygen delivery device including fluid transmission lines in accordance with embodiments of the present disclosure
  • Fig. 5 is a second exploded perspective view of an oxygen delivery device including a plenum area in accordance with embodiments of the present disclosure.
  • the present disclosure is directed to an oxygen delivery device and system incorporating such a device.
  • the oxygen delivery device is used to distribute oxygen-enriched air around or about a patient's head and face without requiring a physical connection to the patient.
  • the oxygen delivery system may include one or more components that are used to deliver concentrated oxygen to a predetermined location, thereby creating an oxygen-enriched environment.
  • the oxygen-enriched environment created by the oxygen delivery system can represent a location of increased oxygen saturation as compared to ambient air (e.g., the environment surrounding the oxygen-enriched environment).
  • a patient may position themselves within the oxygen-enriched environment such that the patient can experience the benefits of increased oxygen levels without requiring a facemask or nasal cannula.
  • the oxygen delivery system includes an oxygen delivery device 100 that receives oxygen created by an oxygen supply source 116 via one or more fluid supply lines 128.
  • the one or more fluid supply lines 128 may be oriented inside, adjacent to, and/or outside of the device 100.
  • the oxygen supply source 116 may comprise an oxygen concentrator.
  • the oxygen supply source 116 may be an oxygen supply connection, where oxygen is provided via some other means (e.g., a hospital oxygen connection).
  • the oxygen supply source 116 may supply oxygen to the oxygen delivery device 100 via one or more fluid supply lines 128.
  • the device 100 may receive some other gas, or combination of gasses, from one or more sources other than an oxygen condenser unit 116 as disclosed.
  • the device 100 is mounted to a patient's bed via an arm 108 and clamp system.
  • the arm 108 may be configured to at least partially contain the one or more fluid supply lines 128.
  • the arm 108 may include a receptacle to contain and/or conceal the one or more fluid supply lines 128.
  • the arm 108 and clamp system may not be necessary if the device 100 is integrated into a support structure and the oxygen-enriched environment is to remain static. However, it may be desirable to have the ability to change or alter the position of the oxygen-enriched environment, in which case the use of the arm 108 attached to some articulating device may be beneficial.
  • the arm 108 may include features to allow the device 100 to be positioned in one or more locked positions.
  • the housing 104 of the device 100 may be configured to swivel, or rotate, about an axis created by the arm 108.
  • the rotatable connection may incorporate the use of friction features and/or detents to allow movement into a number of positions.
  • the device may be locked in a specific or general position with a detent system, clamp arrangement, and the like.
  • the device 100 is connected to the arm 108 via a mount plate 112 on the housing 104 of the device 100.
  • This mount plate 112 may utilize custom or standard bolt patterns (e.g., VESA, etc.) to interface with custom arms and supports or standard articulating or fixed arms that are available off-the-shelf.
  • This standard mount or bolt pattern may be used at the other end of the arm 108 to connect to a wall, pedestal mount, articulating arm, static arm, ceiling, surface, and the like.
  • the mount plate 112 may be fixedly attached to the housing 104 and the arm 108 may be operatively connected to the fixedly attached mount plate via one or more locking features, plug and receptacle connection, welding, gluing, interference fits, and the like.
  • the entire unit 100 can be adjusted to different angles to achieve the optimal oxygen-enriched environment for the patient 124.
  • Fig. 1 shows the device 100 in an operating environment in accordance with embodiments of the present disclosure.
  • the device 100 may be positioned to direct oxygen 136 into the oxygen-enriched environment that is created adjacent to a patient 124.
  • the oxygen-enriched environment may be created by expelling oxygen 136 in the general direction of the patient's 124 head and/or face. It is anticipated that the device 100 may be moved to a stowed position when not used by the patient 124. For example, the device 100 may be moved away from the patient's 124 head and/or face and stored in an area free from patient movement.
  • the device 100 may be stored above the patient 124.
  • the device 100 may be stowed against the surface of a wall or support.
  • the housing 104 of the device 100 may rest flush with or close to a wall of a room or other vertical surface thereby taking up less usable room space.
  • the device 100 may be configured to receive oxygen via an oxygen supply source 116 and/or oxygen supply means.
  • the oxygen may be transmitted from the oxygen supply source 116 to the device 100 via one or more fluid supply lines 128 connected therebetween.
  • the oxygen transmitted from the oxygen supply source 116 to the device 100 may create a fluid flow path within one or more fluid supply lines 128.
  • the flow of oxygen within the one or more fluid supply lines 128 may be monitored and/or measured.
  • at least one of a flow and pressure sensor may be arranged in the fluid flow path to detect pressure and/or flow changes in the one or more fluid supply lines 128. Detection of a change in pressure and/or flow may be used to alert a patient 124 of changes to the oxygen output by the oxygen condenser unit 116 and/or the device 100.
  • one or more biometric sensors 148 may be used to monitor biological input provided by at least one patient 124.
  • the one or more biometric sensors 148 may be configured to obtain a pulse rate and/or oxygen saturation levels (e.g., Sp02) from a patient 124. It is anticipated that this Sp02 information may be obtained by continuous and/or interval measurement samples.
  • a pulse rate and/or oxygen saturation levels e.g., Sp02
  • individual biometric sensors may be used for each patient 124.
  • the one or more sensors disclosed herein may be used to automatically control the oxygen output to one or more patients 124.
  • the sensors 148 may communicate with a control mechanism and/or an alarming mechanism via wired and/or wireless communication protocols known or yet to be developed.
  • a first perspective view of the device 100 is shown, which may correspond to an operational position of the device 100.
  • the device 100 includes a housing 104, a fluid supply line 128, and a mounting plate 112.
  • the device 100 is connected to an articulating arm 108 or other physical support which can be connected to a pedestal mount or other mechanical interface. It is anticipated that the device 100 directs oxygen 136 into an oxygen-enriched environment adjacent to the device 100.
  • Fig. 3 shows a second perspective view of the device 100, including one or more oxygen outputs 132.
  • the device 100 directs oxygen 136 into the oxygen-enriched environment by first receiving oxygen at the fluid supply line 128 and then distributing the received oxygen among a plurality of oxygen outputs 132.
  • the oxygen may be distributed among the plurality of oxygen outputs 132 via a plurality of fluid transmission lines or via a common manifold or plenum. In either configuration, the oxygen provided from the fluid supply line 128 to the oxygen outputs 132 can be expelled in the general direction of the patient's head and face 124 (see Fig. 1).
  • the device 100 is not directly attached to the patient, the patient is free to move within the oxygen-enriched environment created by the device 100 without suffering the discomfort associated with wearing nasal cannula, face masks, or other attached equipment.
  • the distributed oxygen 136 will naturally cascade from the oxygen outputs 132 over the patient 124 who lies beneath the device 100 creating this oxygen-enriched environment.
  • the oxygen outputs 132 may comprise one or more paths in the housing 104, restrictions in the housing 104, manifolds, openings, and/or nozzles.
  • the type of oxygen output 132 selected for use in the device 100 may vary depending upon the desired characteristics of the oxygen-enriched environment. In particular, the manner by which oxygen 136 is directed toward the patient 124 (see Fig. 1) can be accomplished via different embodiments of the device 100 and oxygen output 132 elements.
  • the housing 104 shown could be increased in width to effectively extend over two or more patients providing a larger oxygen-enriched environment.
  • the dimensions of the housing 104 and device 100 can be selected to accommodate a number of different environments, and all such modifications are considered to be within the scope of the present disclosure.
  • each of the fluid transmission lines 404 comprises a proximate and distal end.
  • the proximate ends of the fluid transmission lines 404 are connected to the fluid supply line 128 via one or more connections 412 such that oxygen flowing in the fluid supply line 128 is distributed among the plurality of fluid transmission lines 404.
  • the distal ends of the fluid transmission lines 404 are individually connected to a different oxygen output 132.
  • the fluid transmission lines 404 act as a mechanism for distributing the oxygen received at the fluid supply line 128 among the plurality of oxygen outputs 132.
  • the fluid supply line 128 may be used as a manifold or plenum from which the fluid transmission lines 404 and corresponding outputs 132 may run.
  • the fluid transmission lines 404 and the fluid supply line 128 may be contained within the housing 104 of the device 400.
  • the housing 104 may comprise a first housing element 104a and a second housing element 104b.
  • the first housing element 104a may be manufactured separately from the second housing element 104b.
  • the first and second housing elements 104a, 104b may comprise polymeric material, that is one or more of molded and machined. It is anticipated that the first and second housing elements 104a, 104b may be connected to one another by one or more of screws, fasteners, friction fittings, glue, welding, etc.
  • the first housing element 104a may be removably attached to the second housing element 104b to form the housing 104 of the device 400.
  • Fig. 5 is a second exploded perspective view of an oxygen delivery device 500 including a manifold or plenum area 508 in accordance with embodiments of the present disclosure.
  • the oxygen from the fluid supply line 128 may be directed to a common manifold or plenum 508 where the oxygen outputs 132 are operatively connected to the manifold or plenum 508 area.
  • This enables the fluid supply line 128 to directly distribute oxygen among the plurality of oxygen outputs 132 without requiring fluid transmission lines 404.
  • the common manifold or plenum 508 may be used to contain the oxygen 136 in a central chamber and allow it to pass from this central chamber through the oxygen outputs 132.
  • a separate first housing element 104a and second housing element 104b may be removably attached to form the device 500 housing 104.
  • the housing 104 may incorporate a gasket 512 disposed between at least one mating surface of the first housing element 104a and the second housing element 104b.
  • the gasket 512 may be constructed from a compliant material that, when disposed between the first and second housing element 104a, 104b, is configured to compress and form an air tight area within the manifold or plenum 508 of the housing 104.
  • first and/or second housing element 104a, 104b may include features for receiving a gasket 512.
  • the first and/or second housing elements 104a, 104b may also include one or more features for receiving and/or capturing fluid transmission lines 404 if such a mechanism is used.
  • the internal features of the housing elements 104a, 104b may be configured to accommodate the common manifold or plenum 508.
  • the second housing element 104b, or a plate connected to the housing 104 may comprise a number of openings 516 to accommodate the oxygen outputs 132.
  • the oxygen outputs 132 may comprise a plate fitting and a nozzle.
  • the plate fitting may be used to connect the nozzle to the second housing element or plate. Additionally or alternatively, the oxygen outputs 132 may be contained at least partially within the housing 104.
  • the oxygen outputs 132 can be static, or adjustable for air flow and/or direction (similar to the nozzles described in issued U.S Patent Numbers: 3,366,363; 5,127,876; 5,328,152; 5,399,119, each of which are hereby incorporated herein by reference in their entirety for all that they teach and for all purposes).
  • the oxygen outputs 132 can remain static and uncontrollable for flow and/or direction, or be controlled with respect to direction and/or flow rate. It is anticipated that the best flow and direction for a particular patient could be achieved by employing a combination of both static and adjustable nozzles as oxygen outputs 132.
  • the general oxygen flow rate of the device 100 could be controlled by a pressure or flow regulator operatively connected to the entrance or exit area of the manifold/plenum 508 or attached to the fluid supply line 128.
  • This directed oxygen 136 could be controlled manually or automatically with an analog pressure regulator or via a digital controller and pressure regulator attached to or separate from the device 100.
  • the flow rate adjustment would be restricted to operate within a minimum and maximum range to ensure that a patient 124 is exposed to the ideal amount of oxygen required.
  • the above-described system has been tested on at least one patient having cystic fibrosis.
  • the patient was relatively healthy and the patient's pulse rate and oxygen saturation (Sp02) was measured for approximately 2 hours with only sleeping under environmental conditions (e.g., no oxygen delivery system employed).
  • the patient had a high Sp02 of 96%, a low Sp02 of 86%, and a mean Sp02 of 89.9%.
  • the same patient was placed within an oxygen-enriched environment (e.g., under an oxygen delivery system) for 1 hour and 15 minutes.
  • the patient had a high Sp02 of 98%, a low Sp02 of 88%, and a mean Sp02 of 93.7%.
  • the patient's Sp02 had dropped below 90%> for only 1.3% of the time.
  • the patient's overall time with an Sp02 above 90% was dramatically increased.
  • Example 1 In a third experimental set, the same patient of Example 1 was monitored similarly to the first experiment (e.g., in environmental air) except that the patient's health was compromised (e.g., the patient was feeling ill) and the experiment lasted three hours. In this experiment, the patient had a high Sp02 of 94%, a low Sp02 of 75%, and a mean Sp02 of 86.3%. It was calculated that the Sp02 of the patient was below 90% for 95.5% of the time.

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  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Pulmonology (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Devices For Medical Bathing And Washing (AREA)

Abstract

La présente invention concerne un système de distribution d'oxygène qui distribue de l'air enrichi en oxygène autour de la tête et du visage d'un patient sans nécessiter de connexion physique avec le patient. L'oxygène est distribué par le système grâce à une ou plusieurs sorties de fluide qui sont raccordées en fonctionnement à une ligne d'alimentation en oxygène, soit directement soit indirectement grâce à une ligne, un manifold ou un plénum de transmission de fluide. Cet oxygène dirigé se mélange avec l'air autour du patient pour produire un environnement enrichi en oxygène du côté sortie des sorties de fluide.
PCT/US2012/048106 2011-07-25 2012-07-25 Système de distribution d'oxygène Ceased WO2013016407A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161511423P 2011-07-25 2011-07-25
US61/511,423 2011-07-25

Publications (2)

Publication Number Publication Date
WO2013016407A2 true WO2013016407A2 (fr) 2013-01-31
WO2013016407A3 WO2013016407A3 (fr) 2014-05-01

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